Home / 2,817,943.38-3,888,763.26-1,528,783.44

Finding the Fourth Proportional to 2,817,943.38, 3,888,763.26 and 1,528,783.44

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Solution

The fourth proportional to 2,817,943.38, 3,888,763.26 and 1,528,783.44 is: 2,109,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,943.38 : 3,888,763.26 = 1,528,783.44 : x
  2. Step 2: Convert to fraction form
    2,817,943.38/3,888,763.26 = 1,528,783.44/x
  3. Step 3: Cross multiply
    2,817,943.38x = 3,888,763.26 × 1,528,783.44
  4. Step 4: Simplify right side
    2,817,943.38x = 5,945,076,873,968.41
  5. Step 5: Solve for x
    x = 5,945,076,873,968.41/2,817,943.38
  6. Step 6: Final answer
    x = 2,109,721.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.